Viega Stainless Manifold Shut-Off- Balancing

User Guide Viega Stainless Manifold Shut-Off - Balancing - Flow Meters

Mounting the Stainless Manifold within a Manifold Cabinet 1 2

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Mounting Instructions 3 Stainless Manifolds are typically mounted to a wall or within a manifold cabinet. Mounting the Stainless Manifold to a Wall

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1 Position the manifold bracket over the mounting hardware within the cabinet. 2 Adjust the rails and hardware until the manifold is located properly. The manifold should be secured at four points located at the top and 100 100 100 100 100 100 100 100 200 200 200 200 200 200 200 200 300 300 300 300 300 300 300 300 400 400 400 400 400 400 400 400 500 500 500 500 500 500 500 500 600 600 600 600 600 600 600 600 bottom of each mounting bracket. 3 Install the four nuts over the mounting bracket 1 Insert screws through the manifold bracket and tighten all mounting hardware. mounting holes and into the wall. 2 The manifold should be secured at four This document is subject to updates. points located at the top and bottom of each For the most current Viega technical mounting bracket. If mounting to sheetrock; literature please visit www.viega.us. verify the screws are long enough to tighten into framing members within the wall. Viega products are designed to be installed by licensed and trained plumbing and mechanical professionals who are familiar with Viega products and their installation. Installation by non-professionals may void Viega LLC’s warranty.

UG-HC 518858 1119 Stainless Manifold Shut-Off - Balancing - Flow Meters (EN) 1 of 4 Viega Stainless Manifold Shut-Off - Balancing - Flow Meters User Guide

Operation Some applications will require the tubing to be brought to the manifold from above. In this type End Connections of situation, the purge valve and air bleeder ■ Use only Viega’s manifold adapters to will need to be switched along with flipping the connect manifold. manifold over. ■ Make sure that the black flat washer is placed in the union connection for proper seal. 1 2 ■ DO NOT use teflon tape or thread sealant paste on union connection. ■ When extending the manifold, Viega requires using thread sealant paste on the 1" NPT manifold end connection.

Black 3 4 Flat Washer

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90 100 110 80 120 70 tubing130 to and ¾" copper connection 60 140 50 40 50 60 150 30 160 40 70 30 manifolds.170 tubing to SVC system to 20 80 20 180 90 10 10 190 seat without be used on soldering. manifolds. 1 Remove air bleeder. 2 Remove purge valve. Circuit connection configuration 3 Flip manifold over. 4 Attach purge valve. 5 Attach air bleeder.

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Pressure Testing Purging Before the finish floor is installed and during 1 Attach drain hose to purge valve hose concrete pouring the radiant system must be connection on return manifold and open valve pressure tested. Air or water may be used as with valve cap. the medium. 2 Close all but one balancing valve on supply manifold using a 5 mm allen wrench or The following procedure is recommended included valve key (reference Initial Balancing by Viega. Check the local building codes for steps). Close isolation ball valve on boiler compliance or additional test requirements. return line if mixing station is attached. Remove plastic dust cap or temperature If the tubing is damaged, repair controller from 3-way valve, and make sure punctured section with a coupling. that high limit kit is fully open (refer to mixing station product instructions). 3 Open boiler fast fill valve to purge circuit. Procedure After purging first circuit, close valve and 1 Double check all connections to manifold to open next one. Continue with one circuit at a ensure proper seal. time until all circuits have been purged. 2 Connect manifold pressurization kit (1) to any 4 Close purge valve and open all balancing and purge valve (2). boiler valves. If mixing station is attached, 3 Pressurize the system to 100 psi to detect reset high-limit kit, and reinstall temperature potential nail or screw penetrations. controller or actuator onto 3-way valve. 4 The system should hold the 100 psi for a 5 Any remaining air pockets in the system will be minimum of 1 hour. eliminated through the boiler’s automatic air vent after a few hours of constant circulation.

Purge If the system must be purged again in Valves the future for any reason, the high limit 2 kit must be reopened during purging for full flow.

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Initial Balancing 1 Pull red locking caps up about ¼ (do not System should be properly purged before remove cap completely). balancing is done. Many times it is not possible to 2 Holding onto the red locking cap, turn clockwise design the system using equal circuit lengths, so (with system pump still running) until flow meter the system must be balanced in order to ensure reads 0 gpm. Valve is now fully closed. proper flow to each circuit on the manifold. 3 To increase flow, turn red locking cap counterclockwise until desired flow rate is met. Procedure 4 Once desired flow rate is met, push red To begin balancing, all circuits must be in the locking cap back down into starting position. closed position. DO NOT adjust flow rate by turning 1 2 & 3 the clear plastic cylinder of the flow meter. To adjust flow rate, lift up and rotate red locking cap.

Balancing/flow meter valve can be mounted up, down, left, or right.

4 Flow through meter can be completely shut off.

Valve will go from fully closed to fully opened in approximately 5 turns.

Viega LLC 585 Interlocken Blvd. Broomfield, CO 80021

Phone (800) 976-9819 www.viega.us

UG-HC 518858 1119 Stainless Manifold Shut-Off - Balancing - Flow Meters (EN)